Display panel or portion thereof with graphical user interface



FIG. 1 is a front view of a display panel or portion thereof withgraphical user interface showing our new design; and,

FIG. 2 is a front view thereof shown with environmental matter.

The dot-dash broken lines forming a rectangle in FIG. 1 illustrate adisplay panel or portion thereof and form no part of the claimed design.The dash-dash broken lines shown in the graphical user interfacerepresent portions of the graphical user interface that form no part ofthe claimed design. The additional dot-dash broken lines in FIG. 2showing a display device illustrate environmental matter that forms nopart of the claimed design.

CLAIM The ornamental design for a display panel or portion thereof with graphical user interface, as shown and described. 